package com.util;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public abstract class AuthenticateHttpServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		doPost(req, resp);
	}
	@Override
	protected void doPost(HttpServletRequest request, HttpServletResponse response) 
			throws ServletException, IOException {
		if (request.getSession(false) != null) {
			post(request, response);
		}
		else {
			request.getRequestDispatcher("/login.jsp").forward(request, response);
		}
	}
	protected abstract void post(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException;
}
